/**
 * Created by guoao on 2017/4/15.
 */
var myname:string="zhai liang";

var alias="xixi";
var num=12;
// 强类型  string number boolean any

// 参数指定默认值
function test(a:string,b:string,c:string){
    console.log(a);
    console.log(b);
    console.log(c);
}
test("xxx","yyy","zzz");


